Title: Etofenprox
CAS Registry Number: 80844-07-1
CAS Name: 1-[[2-(4-Ethoxyphenyl)-2-methylpropoxy]methyl]-3-phenoxybenzene
Additional Names: 2-(4-ethoxyphenyl)-2-methylpropyl-3-phenoxybenzyl ether; ethofenprox; ethoproxyfen
Manufacturers' Codes: MTI-500; OMS-3002
Trademarks: Vectron (Mitsui)
Molecular Formula: C25H28O3
Molecular Weight: 376.49
Percent Composition: C 79.75%, H 7.50%, O 12.75%
Literature References: Non-ester pyrethroid insecticide. Prepn: K. Nakatani et al., FR 2481695; eidem, US 4397864 (1981, 1983 both to Mitsui Toatsu); T. K. Kim et al., Bull. Korean Chem. Soc. 8, 128 (1987). Fluorometric determn in potable water sources: M. Nakamura et al., Fresenius J. Anal. Chem. 367, 658 (2000). Field trial vs leafhoppers and planthoppers: N. V. Krishnaiah, M. B. Kalode, Crop Prot. 12, 532 (1993); vs malarial vectors: S. Nalim et al., Southeast Asian J. Trop. Med. Public Health 28, 851 (1997). Review of physical properties and field trials: T. Tanaka, Agrochem. Jpn. 1999, no. 74, 13-15.
Properties: White crystalline solid, mp 36.4-38.0°. Vapor pressure (100°): 2.4´10-4mm Hg. Soly in water (25°): <1 ppb. nD20.2 1.5732. LD50 in rats, mice (mg/kg): >2880, >107200 orally; >2140, >2140 dermally (Tanaka).
Melting point: mp 36.4-38.0°
Index of refraction: nD20.2 1.5732
Toxicity data: LD50 in rats, mice (mg/kg): >2880, >107200 orally; >2140, >2140 dermally
Use: Insecticide.
Etofibrate Etofylline Etofylline Nicotinate Etoglucid Etomidate

Skeletal formula
Ball-and-stick model
CAS number 80844-07-1 YesY
PubChem 71245
ChemSpider 64377 YesY
UNII 0LD7P9153C YesY
KEGG D09202 YesY
ChEBI CHEBI:39348 YesY
Jmol-3D images Image 1
Molecular formula C25H28O3
Molar mass 376.488
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Etofenprox is a pyrethroid derivative which is used as an insecticide.[1]

Also found as an ingredient in flea medication for cats